Merge pull request #7 from Terradue/minor-fixes

fixes in the asset keys and duplication

Author: emmanuelmathot

README.md

@@ -125,7 +125,7 @@ From the [Sentinel-2 item](https://github.com/stac-extensions/virtual-assets/blo
     "sir":
     {
       "title": "Shortwave Infra-red",
-      "assets": [ "swir22", "nir2",  "red" ],
+      "assets": [ "swir22", "nir",  "red" ],
       "rescale": [[0,5000],[0,7000],[0,9000]],
       "resampling": "nearest"
     }

examples/item-landsat8.json

@@ -110,12 +110,6 @@
       "href": "https://api.cogeo.xyz/stac/preview.png?url=https://raw.githubusercontent.com/stac-extensions/raster/main/examples/item-landsat8.json&expression=(B5–B4)/(B5+B4)&max_size=512&width=512&resampling_method=average&rescale=-1,1&color_map=ylgn&return_mask=true",
       "render": "ndvi"
     },
-    {
-      "rel": "xyz",
-      "type": "image/png",
-      "title": "NDVI",
-      "href": "https://api.cogeo.xyz/stac/preview.png?url=https://raw.githubusercontent.com/stac-extensions/raster/main/examples/item-landsat8.json&expression=(B5–B4)/(B5+B4)&max_size=512&width=512&resampling_method=average&rescale=-1,1&color_map=ylgn&return_mask=true"
-    },
     {
       "rel": "collection",
       "href": "https://landsat-stac.s3.amazonaws.com/collections/landsat-8-l1.json",

examples/item-sentinel2.json

@@ -65,9 +65,9 @@
       "sir": {
         "title": "Shortwave Infra-red",
         "assets": [
-          "swir22",
-          "nir2",
-          "red"
+          "B12",
+          "B08",
+          "B04"
         ],
         "rescale": [
           [